<template>
 <van-nav-bar :title="$route.meta.title" v-show="$route.meta.isShowNav" @click-left="onClickLeft"
   :left-arrow="$route.meta.isShowBack" fixed placeholder style="height: 46px" />
  <router-view></router-view>
  <tab-bar v-if="isShowTabbar"></tab-bar>
  </template>
  
  <script setup>
  import TabBar from './components/TabBar.vue'
  import { useRoute } from 'vue-router'
  import { ref, watch, onMounted } from 'vue'
  import { useRouter } from 'vue-router'
  import { getUser } from './api'
  import useUser from './stores/user'
  
  const { user, updateUser } = useUser()
  const route = useRoute()
  const isShowTabbar = ref(true)
  const router = useRouter()
  const onClickLeft = () => {
 if (history.length > 1) {
  router.back()
   } else {
   router.push({ name: 'home' })
  }
  }
  
  watch(
   () => route.meta, val => {
   isShowTabbar.value = val.isTab
   })
  onMounted(() => {
  if (user.isLogin) {
  loadUser()
  }
  })
  const loadUser = async () => {
  const data = await getUser()
  updateUser({
  isLogin: true,
  username: data.username,
  avatar: data.avatar
  })
  }
  </script>
  
  <style>
  #app {
   color: #2c3e50;
   line-height: 24px;
   --van-nav-bar-background: #b64888;
   --van-nav-bar-title-text-color: #fff;
   --van-nav-bar-icon-color: #fff;
  }
  </style>
  

